Magnetic, two-component developer containing fluidity improver a

Details Magnetic, two-component developer containing fluidity improver a Magnetic, two-component developer containing fluidity improver a

1989-03-03

1990-02-27

Welsh, J. David

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Post imaging process, finishing, or perfecting composition...

4301066, 430110, G03G 914

Patent

active

049045580

ABSTRACT:
An image forming method that includes the steps of providing a developer comprising at least colored resin particles, a fluidity improver having a specific chargeability and magnetic particles wherein the colored resin particles have a volume-average particle size of 4-10 microns and a specific volume-basis particle size distribution; supplying the developer to a surface of a developer-carrying member disposed opposite to a latent image-bearing member having thereon an electrostatic latent image; carrying the developer on the surface of the developer-carrying member; and developing the electrostatic latent image on the latent image-bearing member with the developer in a developing zone where the latent image-bearing member is disposed opposite to the developer-carrying member to form a toner image; wherein an alternating electric field comprising an AC component and a DC component is imparted to the developing zone under specific conditions.

REFERENCES:
patent: 2892794 (1959-06-01), Insalaco
patent: 3965022 (1976-06-01), Strong et al.

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